Barrier Strips

Barrier strips are screw-type electrical connectors that allow more than one circuit to connect to another circuit. Wires are clamped down to a metal part by tightening of a screw. Multiple screw terminals are arranged such that the metal strips are separated by a barrier or insulating block. 


How do barrier strips work?


Each strip will have a pair of screws arranged such that each screw connects to a separate conductor on either end of the strip. Alternatively, terminal strips have several screws along two strips, creating a bus bar for the distribution of power.


Barrier strips can accommodate a broad range of wire sizes and provide reliable connection. The term “contact” refers to the wire attached to the barrier and the contact pitch refers to the distance between each contact, measured from the centre of each opening or hole.


Applications of Barrier strips


Barrier strips are extensively used in electrical wiring for distributing electricity, connecting switches, electrical outlets and lighting fixtures to the mains. They’re also used to directly connect major appliances such as ovens. You will also find barrier strips in surge protectors and speakers.


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Description Price Number of Contacts Pitch Body Orientation Contact Material Contact Plating Number of Rows Screw Size Wire Size Material Fixing Centre Current Rating Voltage Rating Dimensions Depth
RS Stock No. 123-4541
BrandRS PRO
SGD5.11
Each
units
40 6mm - Steel Tin 4 - - - - - 12 V 86 x 56 x 7.5mm 7.5mm
RS Stock No. 885-9251
Mfr. Part No.3-140
SGD2.214
Each (In a Pack of 10)
units
3 9.53mm Straight Brass Nickel 2 5 → 40 16 AWG Phenolic 38.1mm 15A 250 V ac 45.26 x 22.23 x 10.31mm 10.31mm
RS Stock No. 885-9327
Mfr. Part No.20-141
SGD13.11
Each
units
20 11.13mm Straight Brass Nickel 2 6 → 32 14 AWG Phenolic 233.35mm 20A 250 V ac 241.3 x 28.58 x 12.7mm 12.7mm
RS Stock No. 804-5682
Mfr. Part No.3240171
SGD4.168
Each (In a Pack of 10)
units
24 - Straight - - 1 M3 12 → 18 AWG Polyamide - 32A 450 V 117 x 18.6 x 15mm 15mm
RS Stock No. 821-2655
Mfr. Part No.1-1437667-0
SGD3.05
Each
units
4 8.26mm Straight Copper Alloy Tin 1 6 → 32 22 → 12 AWG Nylon - 20A 300 V 34.67 x 13.46 x 12.7mm 12.7mm
RS Stock No. 885-9298
Mfr. Part No.24-140
SGD13.91
Each
units
24 9.53mm Straight - - 2 5 → 40 16 AWG Phenolic 9.375 in 15A 250 V ac 245.3 x 22.2 x 10.3mm 10.3mm
RS Stock No. 161-5083
Mfr. Part No.1-1437667-0
SGD1.926
Each (In a Bag of 56)
units
4 8.26mm Straight Copper Alloy Tin 1 6 → 32 22 → 12 AWG Nylon - 20A 300 V 34.67 x 13.46 x 12.7mm 12.7mm
RS Stock No. 821-8971
Mfr. Part No.3-1437664-1
SGD3.17
Each
units
3 9.53mm Vertical Copper Alloy Tin 1 - 22 → 12 AWG Polyamide - 20A - - -
RS Stock No. 717-6637
Mfr. Part No.8PCV-02-006
SGD2.15
Each
units
2 11.1mm Straight Copper Alloy Tin 1 M4 22 → 10 AWG Thermoplastic - 30A 600 V 0.947 x 0.8 x 0.77in 0.77in
RS Stock No. 164-5790
Mfr. Part No.3-1437664-1
SGD1.707
Each (In a Bag of 300)
units
3 9.53mm Vertical Copper Alloy Tin 1 - 22 → 12 AWG Polyamide - 20A - - -
RS Stock No. 168-0875
Mfr. Part No.8PCV-02-006
SGD4,540.54
1 Reel of 4000
Reel(s)
2 11.1mm Straight Copper Alloy Tin 1 M4 22 → 10 AWG Thermoplastic - 30A 600 V 0.947 x 0.8 x 0.77in 0.77in
RS Stock No. 433-781
BrandRS PRO
SGD1.95
Each (In a Pack of 10)
units
28 6.3mm - - - - - - - 28.6mm - - 194 x 16.7 x 4mm 4mm
RS Stock No. 885-9289
Mfr. Part No.20-140
SGD15.48
Each
units
20 9.53mm Straight Brass Nickel 2 5 → 40 16 AWG Phenolic 200.03mm 15A 250 V ac 207.19 x 22.23 x 10.31mm 10.31mm
RS Stock No. 782-1977
Mfr. Part No.1546306-3
SGD1.524
Each (In a Pack of 5)
units
3 9.53mm - Brass Tin 2 UNC 6-32 22 → 12 AWG Thermoplastic - 20A 300 V - -
RS Stock No. 821-8836
Mfr. Part No.8-1437657-0
SGD2.99
Each
units
4 11.1mm Vertical Copper Alloy Tin 1 UNC 8-32 18 → 10 AWG Thermoplastic - 30A 600 V - -
RS Stock No. 885-9302
Mfr. Part No.6-141
SGD3.656
Each (In a Pack of 10)
units
6 11.13mm Straight Brass Nickel 2 6 → 32 14 AWG Phenolic 77.77mm 20A 250 V ac 85.73 x 28.58 x 12.7mm 12.7mm
RS Stock No. 782-1930
Mfr. Part No.1-1546306-0
SGD6.638
Each (In a Pack of 5)
units
10 9.53mm - Brass Tin 2 UNC 6-32 22 → 12 AWG Thermoplastic - 20A 300 V - -
RS Stock No. 885-9276
Mfr. Part No.10-140
SGD4.99
Each
units
10 9.53mm Straight Brass Nickel 2 5 → 40 16 AWG Phenolic 104.78mm 15A 250 V ac 111.94 x 22.23 x 10.31mm 10.31mm
RS Stock No. 164-5195
Mfr. Part No.1437664-4
SGD1.044
Each (In a Bag of 300)
units
2 9.53mm Straight Copper Alloy Tin 1 - 22 → 12 AWG PA - 20A - 20.55 x 16.51 x 16mm 16mm
RS Stock No. 885-9279
Mfr. Part No.12-140
SGD6.49
Each
units
12 9.53mm Straight Brass Nickel 2 5 → 40 16 AWG Phenolic 123.83mm 15A 250 V ac 130.99 x 22.23 x 10.31mm 10.31mm
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